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01 · Ask
Heat pump, solar, battery or all?
Different priorities, different ROI. Describe the house, the bills and the budget — the AI tells you what stacks up.
Book a heat pump service.
Annual maintenance — refrigerant, filters, performance and controls — by an MCS-certified installer.
✓ Updated May 2026✓ Free quotes✓ Vetted pros
20,000+UK homeowners
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Hire a renewables installer. MCS or no grant.
Read the brief on MCS, BUS grants, heat-loss surveys and right-sizing — then let Three local installers quote.
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02 · Read the brief
Walk in informed
BUS £7,500 heat pump grant, SEG export tariffs, MCS certification, EPC requirements, radiator upgrades. Know the rules.
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03 · Compare
Compare 3 installer quotes
Three local installers quote on the same spec — heat-loss, sizing, grants, warranty — so the cheapest isn't accidentally the unfunded.
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Top tips
Hiring a renewable energy, without the regret.
Four moves that separate a smooth job from a nightmare.
Use MCS-certified installers only.
BUS, ECO4, SEG payments all require MCS-certified installation. Any installer without MCS means no grants and no SEG export tariff.
Get a heat-loss survey for heat pumps.
Heat pumps must be properly sized to your house heat loss. Insist on a Heat Loss Calculation (MCS-recognised) — never a 'kW per m²' shortcut.
Check radiator compatibility.
Heat pumps run at lower flow temps (35–55°C vs 70°C for gas). Most existing rads are undersized. Cost: £200–£500 per upgraded rad — get this on the quote.
Don't oversize solar PV.
Generation beyond what you export earns 5–15p/kWh (SEG). Generation you use saves 30p+. Right-sized to consumption beats massive arrays for ROI.
Costs & timeline
Know what it costs. Know when it ends.
Indicative UK ranges and what affects price.
Cost range
By job type
Inc. VAT · 2026
Source: NMT quotes
Source: NMT quotes
Air source heat pump (install)Pre-grant
£8k–£14k
Ground source heat pump
£18k–£35k
Solar PV 4kW system
£6k–£9k
Battery storage (5kWh)
£3.5k–£6.5k
Solar thermal (hot water)
£4k–£7.5k
EV charger (Type 2, 7kW)
£800–£1.5k
!
Quote spread is typically ± 18% — always get 3 quotes.
At a glance
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Renewable Energy explained
Annual heat pump service maintains efficiency and warranty. MCS-certified service preferred. UK fleet of 250,000+ heat pumps growing 34% YoY = service demand surge. Expect to pay £120–£350 per year for UK heat pump service.
What Does the Work Involve?
MCS or manufacturer-trained engineer visits. Filter clean. Refrigerant pressure check (F-Gas certified). Heat exchanger inspection. Antifreeze level check. Pump and valve operation. Software update. Performance test. Service certificate.
Typical Costs
| Item | Low (£) | High (£) | Notes |
|---|---|---|---|
| Annual ASHP service | 120 | 250 | Standard |
| Annual GSHP service | 180 | 350 | Slightly more |
| Service contract (3-year) | 350 | 700 | Multi-year discount |
| F-Gas refrigerant top-up | 50 | 200 | If needed |
| Replacement filter | 20 | 80 | Per service |
| Antifreeze top-up | 30 | 120 | Glycol-based |
| Emergency callout | 120 | 400 | Out of hours |
UK Regulations
F-Gas Regulation 2015 for refrigerant work. Manufacturer warranty requires annual service typically. MCS code of practice. RECC consumer protection.
Frequently Asked Questions
Annual service essential?
Manufacturer warranty usually requires. Without: void warranty.
F-Gas certified essential?
For refrigerant work yes. Engineer must hold F-Gas Category 1.
How long does service take?
1-2 hours typical. Heat pump remains operational during.
Manufacturer or independent?
Both work. Manufacturer for warranty period. Independent MCS for value after.
Combined with boiler service?
Hybrid systems: yes, same visit. Gas Safe + F-Gas trained engineer.
Lifecycle costs?
£120-£250/year × 15-20 years = £2,000-£5,000 lifetime. Compressor replace mid-life £2,000-£4,000.
This guide was written with AI assistance and is intended for general information only. Prices are estimates based on UK averages and may vary by region. Always get at least three quotes and consult a qualified professional before starting any work.
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